US3690936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive material for bonding vinyl chloride polymers to substrates
Assignee: Phillips Petroleum Co
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Filing: 1970-02-02
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Granted: 1972-09-12
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Expires: 1990-02-02
Abstract
Abstract FILM MATERIALS OF VINYL CHLORIDE POLYMERS ARE CONTACTED WITH A SOLUTION OR DISPERSION OF A DRY-FILM FORMING, HEAT-ACTIVATABLE ADHESIVE MATERIAL COMPRISING A BLEND OF AN ETHYLENE-VINYL COPOLYMER, A POLYAMIDE, AND A TACKIFIER; DRY ADHESIVE COATED FILM IS THEREAFTER HEAT ACTIVATED AND BONDED TO SUBSTRATES.
Inventors
- 👤 Richard C Doss
- 👤 Faber B Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:20
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C08L23/0853; B; B32; B32B; B32B27/00; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; C09J177/00; C09J177/06; C09J177/08; C09J7/00; C09J7/20; C09J7/22; C09J7/30; C09J7/35; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/20; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-12 | 1976-03-13 | 1976-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-12 | 1980-03-13 | 1980-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-12 | 1984-03-13 | 1984-09-12 | $7700.00 | Window Closed / Lapsed |